SpaceXAI, formerly xAI, has released Grok 4.5, a new MoE model with 1.5 trillion parameters and a 500,000 token context window. This model, trained on data from the code editor Cursor, is positioned as a competitor to models like Claude Opus and GPT-5.5, offering a lower price point and faster performance for coding and agentic tasks. However, concerns have been raised regarding increased hallucinations and the privacy of the training data. AI
IMPACT This release positions SpaceXAI as a significant player in the advanced AI model space, potentially driving competition in pricing and performance for coding and agentic tasks.
RANK_REASON Frontier-lab model release with system card. [lever_c_demoted from frontier_release: ic=1 ai=1.0]
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